Market regulation · 20/05/2025

Joint Industry Plan; Notice of Filing and Immediate Effectiveness of the Twenty-Fourth Amendment to the National Market System Plan To Address Extraordinary Market Volatility by Cboe BZX Exchange, Inc., Cboe BYX Exchange, Inc., Cboe EDGA Exchange, Inc., Cboe EDGX Exchange, Inc., Financial Industry Regulatory Authority, Inc., Investors Exchange LLC, Long-Term Stock Exchange, MEMX LLC, MIAX PEARL, LLC, NASDAQ BX, Inc., NASDAQ PHLX LLC, The Nasdaq Stock Market LLC, New York Stock Exchange LLC, NYSE

The Cboe exchanges, Financial Industry Regulatory Authority, and other market participants have filed the Twenty-Fourth Amendment to the National Market System Plan to address extraordinary market volatility. The amendment has been made effective immediately.